Frame Jig 
Head Tube Holder Assembled

The bottom of the head tube sits on the stepped cylinder. 
The cone holds the top of the head tube and has a tubing fitting in the top for argon purge.
Head Tube Holder Assembled

The bottom of the head tube sits on the stepped cylinder.
The cone holds the top of the head tube and has a tubing fitting in the top for argon purge.
Viewed: 2131 times.

Head Tube Holder Installed

The pivot for the head tube angle is centered on the step on the tube holder for the bottom of the head tube. This way the vertical position of the head tube does not change as the angle is varied.
Head Tube Holder Installed

The pivot for the head tube angle is centered on the step on the tube holder for the bottom of the head tube. This way the vertical position of the head tube does not change as the angle is varied.
Viewed: 2163 times.

Horizontal Slider for Rear Axle - Back View
Horizontal Slider for Rear Axle - Back View
Viewed: 2139 times.

Horizontal Slider for Rear Axle - Front View

The tee bolt slides up and down in the tee slot
Horizontal Slider for Rear Axle - Front View

The tee bolt slides up and down in the tee slot
Viewed: 1982 times.

Tee Bolt Installed
Tee Bolt Installed
Viewed: 2105 times.

RA Horizontal Slider Installed
RA Horizontal Slider Installed
Viewed: 2014 times.

Rear Axle Holder Pieces
Rear Axle Holder Pieces
Viewed: 2034 times.

Rear Axle Holder Assembled
Rear Axle Holder Assembled
Viewed: 2159 times.

Rear Axle Holder Installed

The rear axle is centered over the rear edge of the horizontal slider. The distance from this edge to the rear edge of the main vertical rail is equal to the chain stay length.
Rear Axle Holder Installed

The rear axle is centered over the rear edge of the horizontal slider. The distance from this edge to the rear edge of the main vertical rail is equal to the chain stay length.
Viewed: 2466 times.

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